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<h2><span class="refentrytitle">Function template operator==</span></h2>
<p>boost::histogram::axis::operator== — Compare two variants. </p>
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<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: &lt;<a class="link" href="../../../histogram/reference.html#header.boost.histogram.axis.variant_hpp" title="Header &lt;boost/histogram/axis/variant.hpp&gt;">boost/histogram/axis/variant.hpp</a>&gt;

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<span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">class</span><span class="special">...</span> Us<span class="special">,</span> <span class="keyword">class</span><span class="special">...</span> Vs<span class="special">&gt;</span> 
  <span class="keyword">bool</span> <span class="keyword">operator</span><span class="special">==</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="variant.html" title="Class template variant">variant</a><span class="special">&lt;</span> <span class="identifier">Us</span><span class="special">...</span> <span class="special">&gt;</span> <span class="special">&amp;</span> u<span class="special">,</span> <span class="keyword">const</span> <a class="link" href="variant.html" title="Class template variant">variant</a><span class="special">&lt;</span> <span class="identifier">Vs</span><span class="special">...</span> <span class="special">&gt;</span> <span class="special">&amp;</span> v<span class="special">)</span><span class="special">;</span></pre></div>
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<a name="idm30697"></a><h2>Description</h2>
<p>Return true if the variants point to the same concrete axis type and the types compare equal. Otherwise return false. </p>
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<td align="right"><div class="copyright-footer">Copyright © 2016-2019 Hans
      Dembinski<p>
        Distributed under the Boost Software License, Version 1.0. (See accompanying
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